<template>
	<view>
		<view class="goods-list">
			<view v-for="(item, index) in goodsList" @click="gotoDetail(item)">
				<my-goos :item="item"></my-goos>
			</view>
		</view>

	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
				queryObj: {
					query: '',
					cid: '',
					pagenum: 1,
					pagesize: 20
				},
				goodsList: [],
				total: 0,
				//是否正在请求数据
				isloading: false

			};
		},
		onLoad(options) {
			console.log(options)
			// 定义请求参数对象
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodList()
		},
		methods: {
			// 获取商品列表数据
			async getGoodList(cb) {
				// 打开节流阀
				this.isloading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				// 关闭节流阀
				this.isloading = false
				// 只要数据请求完毕  就要按需调用cb回调函数
				cb && cb()
				if (res.meta.status !== 200) {
					return uni.$showMsg()
				} else {
					// 为数据赋值
					console.log(res)
					this.goodsList = [...this.goodsList, ...res.message.goods]
					this.total = res.message.total
				}
			},
			//点击进入详情
			gotoDetail(item) {
				uni.navigateTo({
					url: `/subpkg/good_datail/good_datail?goods_id=${item.goods_id}`
				})
			}

		},
		// 触底事件 150
		onReachBottom() {
			if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
			if (this.isloading === true) return
			// 触底后页面加1
			this.queryObj.pagenum += 1,
				this.getGoodList()
		},
		//下拉刷新事件
		onPullDownRefresh() {
			// 重置关键数据
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = []
			// 重新发起数据请求
			this.getGoodList(() =>
				//停止当前页面下拉刷新
				uni.stopPullDownRefresh()
			)
		},

	}
</script>

<style lang="scss">

</style>